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Finding the Fourth Proportional to 3,652.44, 5,478.72 and 1,055.56

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Solution

The fourth proportional to 3,652.44, 5,478.72 and 1,055.56 is: 1,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.44 : 5,478.72 = 1,055.56 : x
  2. Step 2: Convert to fraction form
    3,652.44/5,478.72 = 1,055.56/x
  3. Step 3: Cross multiply
    3,652.44x = 5,478.72 × 1,055.56
  4. Step 4: Simplify right side
    3,652.44x = 5,783,117.68
  5. Step 5: Solve for x
    x = 5,783,117.68/3,652.44
  6. Step 6: Final answer
    x = 1,583.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.